DNA Marker Index information for Chromosome: Y Marker: P249Names and Aliases for this DNA Marker: P249, i4000164, rs368154770.Chromosome Position in hg38 Human Genome assembly1: 8467162.Chromosome Position in hg19 assembly2: 8335203 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.